The Design And Implementation Of City Commercial Bank's Proof National Debt Sub-system

The core system of city commercial bank is considered as one of the most important component of banking IT system. The deposit account, loan account, general account and the teller's daily business all will be processed by the core system in the role of background system. This thesis analyses and discusses the core system from system user, system framework, business and system integration four aspects and this thesis makes a picture of system framework on the view of business overall situation, which also provides a strategic guideline to every sub-system in this thesis.The sub-system of proof national debt is developed by the flow of "analyzing, designing, and coding". In the system design process, the paper adapts the work flow model of IPO to describe the inner work flow of module and uses the UML language to model the module's Details section and module's operating Procedure. The whole system is based on the structure of C/S, operating on the LAN and developed by the C++and SQL. The AIX provides a basic operating environment. Meanwhile, business mode and parameter management designing are used in the designing process, which shows the city commercial bank core system's development conception, robustness and expandability.The sub-system of proof national debt has the advantage of easy-to-use, multi-user, strong process ability and complete business management. Sequentially, booking model will be designed and improved in this sub-system of proof national debt to meet customer's forward requirement and potential changes.